Two common hardware description languages,Verilog and VHDL,are applied in the models of m sequence,S/P conversion,constellation mapping,DDS,frequency control word,frequency division. In this way,Migration can be taken in FPGA chips from all producers.
设计中涉及到的m序列、串并转换、星座映射、直接数字频率合成器、频率控制字、分频等模块均采用Verilog和VHDL两种通用硬件描述语言进行设计,以便能够在所有厂家的FPGA芯片中移植。
参考来源 - 基于FPGA的FH·2,447,543篇论文数据，部分数据来源于NoteExpress
Through spotlights cost reducing and frequency division utilization it improves system efficiency.
通过聚光降低成本，通过分频综合利用提高系统效率。
Goldsmith said that most second-generation, or 2G, cell phones use a combination of time division and frequency division.
戈德史密斯说，大多数第二代手机或2G手机采用时间划分和频率划分相结合的方式。
This paper proposes a novel channel estimation method for wireless Orthogonal Frequency Division Multiplexing systems.
该文提出了一种新的信道估计算法，用于无线移动信道下的正交频分复用系统。
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